New leader for security forces Published July 13, 2011 By 81st Training Wing Public Affairs KEESLER AIR FORCE BASE, Miss. -- Maj. James Clark relinquishes command of the 81st Security Forces Squadron to Maj. Matthew Pignataro, 9 a.m.Tuesday at the Bay Breeze Event Center. Clark has commanded the 81st SFS since July 2009 and leaves Keesler to pursue his master's degree in homeland defense from the Naval Postgraduate School in Monterey Bay, Calif. Pignataro comes to Keesler from the Air Force Personnel Center at Randolph Air Force Base, Texas, where he was the chief of security forces air and space expeditionary force scheduling.